Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,355,780
Machine for Backing Off the Teeth of Hobs for Cutting Screw Threads
Patentee:
George Richards - Westminster, London, England

USPTO Classifications:
409/317, 409/326, 76/107.1

Tool Categories:
metalworking machines : metal lathes : backing off lathes

Assignees:
Richards Thread Milling Machine Co., Ltd. - Westminster, London, England

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 21, 1919
Granted: Oct. 12, 1920

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for Richards Thread Milling Machine Co., Ltd

Copyright © 2002-2017 - DATAMP